Sink



FIG. 1 is a top, front, and right side perspective view of a sink in accordance with our new design;

FIG. 2 is a top plan view of the sink of FIG. 1;

FIG. 3 is a front elevational view of the sink of FIG. 1;

FIG. 4 is a rear elevational view of the sink of FIG. 1;

FIG. 5 is a right side elevational view of the sink of FIG. 1;

FIG. 6 is a left side elevational view of the sink of FIG. 1;

FIG. 7 is a bottom plan view of the sink of FIG. 1; and,

FIG. 8 is a cross-sectional side view of the sink taken through line 8-8 of FIG. 2.

The dash-dash broken lines are for the purpose of illustrating unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a sink, as shown and described. 